\begin{table}[!htpb]
\centering\centering
\begin{threeparttable}
\caption{Characterizing compliers\label{table_7}}
\centering
\fontsize{10}{12}\selectfont
\begin{tabular}[t]{lrrrrrr}
\toprule
\multicolumn{1}{c}{ } & \multicolumn{1}{c}{Mean} & \multicolumn{1}{c}{C} & \multicolumn{1}{c}{AT} & \multicolumn{1}{c}{NT} & \multicolumn{1}{c}{$p$(C=AT)} & \multicolumn{1}{c}{$p$(C=NT)} \\
\cmidrule(l{3pt}r{3pt}){2-2} \cmidrule(l{3pt}r{3pt}){3-3} \cmidrule(l{3pt}r{3pt}){4-4} \cmidrule(l{3pt}r{3pt}){5-5} \cmidrule(l{3pt}r{3pt}){6-6} \cmidrule(l{3pt}r{3pt}){7-7}
\textbf{A. Policy alignment (voter survey measure)} &  (1)  &  (2)  &  (3)  &  (4)  &  (5)  &  (6) \\
\midrule
Incumbent & -0.05 & -0.11 & 0.53 & -0.50 & {}[0.01] & {}[0.28]\\
Challengers & 0.02 & -1.41 & 0.19 & 0.16 & {}[0.00] & {}[0.00]\\
$p$(Incumbent=Challengers) & {}[0.28] & {}[0.02] & {}[0.00] & {}[0.00] &  & \\
\midrule \textbf{B. Policy alignment (candidate survey measure)} &  &  &  &  &  & \\
Incumbent & 0.07 & -0.09 & 0.93 & -0.29 & {}[0.00] & {}[0.00]\\
Challengers & -0.02 & -0.26 & -0.03 & 0.06 & {}[0.91] & {}[0.90]\\
$p$(Incumbent=Challengers) & {}[0.13] & {}[0.92] & {}[0.00] & {}[0.00] &  & \\
\midrule \textbf{C. Policy certainty} &  &  &  &  &  & \\
Incumbent & 0.36 & -0.81 & 0.44 & 0.53 & {}[0.16] & {}[0.13]\\
Challengers & -0.14 & -0.79 & -0.07 & -0.08 & {}[0.13] & {}[0.15]\\
$p$(Incumbent=Challengers) & {}[0.00] & {}[1.00] & {}[0.00] & {}[0.00] &  & \\
\bottomrule
\end{tabular}
\begin{tablenotes}
\small
\item [] \SpecCompliers
\end{tablenotes}
\end{threeparttable}
\end{table}
